1317323 has 4 divisors (see below), whose sum is σ = 1505520. Its totient is φ = 1129128.

The previous prime is 1317319. The next prime is 1317359. The reversal of 1317323 is 3237131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3237131 = 607 ⋅5333.

It is not a de Polignac number, because 1317323 - 2² = 1317319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1317295 and 1317304.

It is not an unprimeable number, because it can be changed into a prime (1317223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94088 + ... + 94101.

It is an arithmetic number, because the mean of its divisors is an integer number (376380).

2^1317323 is an apocalyptic number.

1317323 is a deficient number, since it is larger than the sum of its proper divisors (188197).

1317323 is an equidigital number, since it uses as much as digits as its factorization.

1317323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188196.

The product of its digits is 378, while the sum is 20.

The square root of 1317323 is about 1147.7469233241. The cubic root of 1317323 is about 109.6219251695.

The spelling of 1317323 in words is "one million, three hundred seventeen thousand, three hundred twenty-three".